untrained

/ʌnˈtreɪnd/
adjective
  1. Not having received instruction, practice, or education in a particular skill or activity.
    • The rescue team had to rely on untrained volunteers to help search for the missing hiker.
    • An untrained eye might not notice the difference between the two paintings.
    • She tried to fix the leaky pipe herself, but her untrained efforts only made the problem worse.
  2. Not having been taught to behave in a controlled or disciplined way (especially of animals).
    • The horse was still untrained and would not respond to basic commands.
    • The untrained puppy chewed through three pairs of shoes in one week.
    • An untrained dog can be difficult to manage in a busy park.